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On Monday Ethan sends an email to 3 friends. The next day each of the friends forward the email to 3 friends and so on. How many people received the email by Thursday? Please help!!!!

User Dred
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2 Answers

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3x3x3x3 3 to the fourth power

User McNinja
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Alright, So Ethan sends emails to 3 friends. Then those 3 friends forward so 3*3=9
User Yxfxmx
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